// Copyright (c)  YISH. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.

using NSQL.Sharpen;

namespace NSQL.Expressions.Functions
{
    public class CeilFunction : BaseExpression, ICeilFunction
    {
        public INumericExpression Expr { get; }
        public CeilFunction(INumericExpression expression) => Expr = expression;
        public override T Accept<T>(IExpressionVisitor<T> visitor) => visitor.Visit(this);

        public override void Accept(IExpressionVisitor visitor) => visitor.Visit(this);

        public override bool IsValid => Expr != null && Expr.IsValid;
        
        protected override IExpression DeepCopy()
        {
            return new CeilFunction(Expr.DeepClone())
            {
                Tag = Tag
            };
        }
    }
}